April weather forecastDexter, IA
April
Weather in April
April in Dexter, Iowa, is a refreshing spring month, with an average temperature fluctuating between 41.9°F (5.5°C) and 59.2°F (15.1°C).Temperature
In Dexter, the average high-temperature in April rises, from a chilly 46.9°F (8.3°C) in March, to a mild 59.2°F (15.1°C). Throughout the month of April, Dexter witnesses an average temperature of 41.9°F (5.5°C).Humidity
The average relative humidity in April is 72%.Rainfall
In Dexter, in April, during 12.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 117.3 rainfall days, and 19.09" (485mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Dexter, during April, snow falls for 0.7 days and regularly aggregates up to 0.43" (11mm) of snow. In Dexter, during the entire year, snow falls for 31.7 days and aggregates up to 9.29" (236mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:58 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:14 pm CDT.
Sunshine
In April, the average sunshine is 8h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Dexter, IA
- Average high temperature in April: 59.2°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in April: 41.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in April
Dexter, IA
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Dexter, IA
- Average wind speed in April: 10.5mph
The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in April
Dexter, IA
- Average humidity in April: 72%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Dexter, IA
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Dexter, IA
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in April
Dexter, IA
- Average snowfall in April: 0.43"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Dexter, IA
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Dexter, IA
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Dexter, IA
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in April
Dexter, IA
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Dexter, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in April
Dexter, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





